/* * rtpfeed.c: get an rtp unicast/multicast/broacast stream and feed * the DVB-S card with it * Author: Guenter Wildmann * * Parts taken from dumprtp.c by David Podeur * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. * Or, point your browser to http://www.gnu.org/copyleft/gpl.html * * The author can be reached at g.wildmann@it-lab.at,  */// Linux includes:#include <stdio.h>#include <stdlib.h>#include <sys/types.h>#include <sys/socket.h>#include <sys/un.h>#include <resolv.h>#include <sys/ioctl.h>#include <fcntl.h>#include <getopt.h>#include <unistd.h>#include "rtp.h"// DVB includes:#ifdef NEWSTRUCT#include <linux/dvb/dmx.h>#include <linux/dvb/frontend.h>#else#include <ost/dmx.h>#include <ost/frontend.h>#define dmx_pes_filter_params dmxPesFilterParams#endifvoid dumprtp(int socket, int fd_dvr) {  char* buf;  struct rtpheader rh;  int lengthData;  int written;  while(1) {    getrtp2(socket,&rh, &buf,&lengthData);    written = 0;    while(written < lengthData){	written += write(fd_dvr,buf+written, lengthData-written);    }//end while  }//end while}// end dumprtpvoid set_ts_filt(int fd,uint16_t pid, int type){  struct dmx_pes_filter_params pesFilterParams;  pesFilterParams.pid     = pid;  pesFilterParams.input   = DMX_IN_DVR;  pesFilterParams.output  = DMX_OUT_DECODER;#ifdef NEWSTRUCT  if (type==1) pesFilterParams.pes_type = DMX_PES_VIDEO;  if (type==2) pesFilterParams.pes_type = DMX_PES_AUDIO;#else  if (type==1) pesFilterParams.pesType = DMX_PES_VIDEO;  if (type==2) pesFilterParams.pesType = DMX_PES_AUDIO;#endif  pesFilterParams.flags   = DMX_IMMEDIATE_START;  if (ioctl(fd, DMX_SET_PES_FILTER, &pesFilterParams) < 0)  {    fprintf(stderr,"FILTER %i: ",pid);    perror("DMX SET PES FILTER");  }// end if}// end set_ts_filtint main(int argc, char *argv[]) {// filedescriptors for video, audio and dvr-device  int fda,fdv;  int fd_dvr;// pids for video and audio stream    uint16_t vpid = 0;  uint16_t apid = 0;  struct sockaddr_in si;  int socketIn;  char *ip = "224.0.1.2";  int port = 5004;// process command-line arguments  static struct option long_options[]={    {"group", required_argument, NULL, 'g'},    {"port", required_argument, NULL, 'p'},    {"vpid", required_argument, NULL, 'v'},    {"apid", required_argument, NULL, 'a'},    {"help", no_argument, NULL, 'h'},    {0}  };  int c;  int option_index = 0;  fprintf(stderr,"*** rtpfeed 0.1 ***\n");  while((c = getopt_long(argc, argv, "g:p:v:a:h",long_options, &option_index))!=-1)  {    switch(c)    {    case 'g':      ip = optarg;      break;    case 'p':      port = atoi(optarg);      break;    case 'v':      vpid = atoi(optarg);      break;    case 'a':      apid = atoi(optarg);      break;    case 'h':      fprintf(stderr,"Usage: %s [-g group] [-p port] [-v video PID] [-a audio PID] \n",argv[0]);      exit(1);    }// end switch  }// end while// open dvr device for output			  if((fd_dvr = open("/dev/ost/dvr",O_WRONLY)) < 0){	perror("DVR DEVICE: ");	return -1;  }// open video device, set filters  if(vpid!=0){    if((fdv = open("/dev/ost/demux",O_RDWR|O_NONBLOCK)) < 0){      perror("DEMUX DEVICE: ");      return -1;    }// end if    set_ts_filt(fdv, vpid, 1);  }// end if// open audio device, set filters  if(apid!=0){    if((fda = open("/dev/ost/demux",O_RDWR|O_NONBLOCK)) < 0){      perror("DEMUX DEVICE: ");      return -1;    }// end if    set_ts_filt(fda, apid, 2);  }// end if  socketIn  = makeclientsocket(ip,port,2,&si);  dumprtp(socketIn, fd_dvr);  close(socketIn);  return(0);}